FlickerFusion: Intra-trajectory Domain Generalizing Multi-Agent RL

Fuente: arXiv
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Main Authors: Koh, Woosung, Oh, Wonbeen, Kim, Siyeol, Shin, Suhin, Kim, Hyeongjin, Jang, Jaein, Lee, Junghyun, Yun, Se-Young
Format: Preprint
Published: 2024
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author Koh, Woosung
Oh, Wonbeen
Kim, Siyeol
Shin, Suhin
Kim, Hyeongjin
Jang, Jaein
Lee, Junghyun
Yun, Se-Young
author_facet Koh, Woosung
Oh, Wonbeen
Kim, Siyeol
Shin, Suhin
Kim, Hyeongjin
Jang, Jaein
Lee, Junghyun
Yun, Se-Young
contents Multi-agent reinforcement learning has demonstrated significant potential in addressing complex cooperative tasks across various real-world applications. However, existing MARL approaches often rely on the restrictive assumption that the number of entities (e.g., agents, obstacles) remains constant between training and inference. This overlooks scenarios where entities are dynamically removed or added during the inference trajectory -- a common occurrence in real-world environments like search and rescue missions and dynamic combat situations. In this paper, we tackle the challenge of intra-trajectory dynamic entity composition under zero-shot out-of-domain (OOD) generalization, where such dynamic changes cannot be anticipated beforehand. Our empirical studies reveal that existing MARL methods suffer significant performance degradation and increased uncertainty in these scenarios. In response, we propose FlickerFusion, a novel OOD generalization method that acts as a universally applicable augmentation technique for MARL backbone methods. FlickerFusion stochastically drops out parts of the observation space, emulating being in-domain when inferenced OOD. The results show that FlickerFusion not only achieves superior inference rewards but also uniquely reduces uncertainty vis-à-vis the backbone, compared to existing methods. Benchmarks, implementations, and model weights are organized and open-sourced at flickerfusion305.github.io, accompanied by ample demo video renderings.
format Preprint
id arxiv_https___arxiv_org_abs_2410_15876
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle FlickerFusion: Intra-trajectory Domain Generalizing Multi-Agent RL
Koh, Woosung
Oh, Wonbeen
Kim, Siyeol
Shin, Suhin
Kim, Hyeongjin
Jang, Jaein
Lee, Junghyun
Yun, Se-Young
Machine Learning
Artificial Intelligence
Multiagent Systems
Multi-agent reinforcement learning has demonstrated significant potential in addressing complex cooperative tasks across various real-world applications. However, existing MARL approaches often rely on the restrictive assumption that the number of entities (e.g., agents, obstacles) remains constant between training and inference. This overlooks scenarios where entities are dynamically removed or added during the inference trajectory -- a common occurrence in real-world environments like search and rescue missions and dynamic combat situations. In this paper, we tackle the challenge of intra-trajectory dynamic entity composition under zero-shot out-of-domain (OOD) generalization, where such dynamic changes cannot be anticipated beforehand. Our empirical studies reveal that existing MARL methods suffer significant performance degradation and increased uncertainty in these scenarios. In response, we propose FlickerFusion, a novel OOD generalization method that acts as a universally applicable augmentation technique for MARL backbone methods. FlickerFusion stochastically drops out parts of the observation space, emulating being in-domain when inferenced OOD. The results show that FlickerFusion not only achieves superior inference rewards but also uniquely reduces uncertainty vis-à-vis the backbone, compared to existing methods. Benchmarks, implementations, and model weights are organized and open-sourced at flickerfusion305.github.io, accompanied by ample demo video renderings.
title FlickerFusion: Intra-trajectory Domain Generalizing Multi-Agent RL
topic Machine Learning
Artificial Intelligence
Multiagent Systems
url https://arxiv.org/abs/2410.15876